---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-059855"
form_type: "8-K"
ticker: "OKLO"
cik: "0001849056"
company_name: "Oklo Inc."
filed_at: "2025-06-16T23:59:59+00:00"
generated_at: "2026-05-19T06:54:46.618076+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Oklo completes $440.6M common stock offering, underwriters exercise full overallotment

## Summary
- Underwriting agreement for 6,666,667 shares (plus 1M overallotment) signed June 12, closed June 16.
- Net proceeds of ~$440.6M for general corporate purposes, working capital, capex, potential investments.
- Underwriters Goldman Sachs & Co. LLC and BofA Securities exercised 30-day option in full for additional 1M shares.
- Offering made under shelf registration statement on Form S-3 filed June 2, effective June 12.

## SEC filing metadata
- accession: 0001104659-25-059855
- form_type: 8-K
- ticker: OKLO
- cik: 0001849056
- company_name: Oklo Inc.
- filed_at: 2025-06-16T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1849056/000110465925059855/0001104659-25-059855-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1849056/000110465925059855/tm2518068d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-059855
- JSON: https://secwatch.observer/filing/0001104659-25-059855.json
- Plain text: https://secwatch.observer/filing/0001104659-25-059855.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.